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- hypocycloid of four cusps 四尖圆内旋轮线,四尖内摆线
- Our cat has a litter of four kittens. 我们家的猫一窝养了4只小猫。
- One of four offspring born in a single birth. 四胞胎之一一胎出生的四个孩子中的一个
- Children usually lisp until they are three of four. 孩子三、四岁前说话往往口齿不清。
- Few people would not exult at the smash of "the gang of four". 很少有人不为“四人帮”的粉碎而欢呼雀跃。
- The carriage was drawn by a team of four white horses. 这辆马车是由一组四匹白马拉的。
- A group of four persons or things, especially two couples. 四人一组四人或物一组，尤指两对
- She was barely walking at the age of four. 她四岁时才勉强会起路。
- The cat dropped a litter of four kittens. 那只猫一窝产四只猫仔。
- hypocycloid of four susps 四尖圆内轮旋轮线, 四尖内摆线
- The Gang of Four did not agree with me. “四人帮”说不行。
- A set of four persons or things. 四人一组或四物一套
- Being one of four equal or equivalent parts. 四分之一的四个相等或相当部分之一的
- Three out of four people choose this soap! 四人中便有三人选用这种肥皂！
- He has a good command of four languages. 他精通四国语言。
- This can has a capacity of four quarters. 这个罐的容量有四夸脱。
- The school year consists of four grading periods. 一学年共有四个学期。
- There is a difference of four hours. 有四小时的时差。
- Having a valence of four;tetravalent. 四价的；四个原子价的
- A family of four perished in the fire. 一家四口死于此次火灾之中。
